Year IX, Artícle1], No. 96

October 12, 2019

by Rubén A. Báez[2]

Full statistical report in pdf click here

General Performance Index©(GPI: General Performance Index):
"It is an index that measures the performance that a tennis player has had in a given period of time." This index, not shown here, is used to make the "General Performance Ranking© or GPI Ranking© ".

The following tournaments, which corre-spond to those started in the month of Sep-tember, have been included for the deter-mination of the Top 30 of the General Per-formance Ranking©:

•    Oracle Challenger Series – WTA 125K Series (hard).
•    Nanchang – International (hard).
•    Hana-Cupid Japan Women’s Open – International (hard).
•    Zhengzhou Open – Premier (hard).
•    Korea Open – International (hard).
•    Guangzhou International – Interna-tional (hard).
•    Toray Pan Pacific Open – Premier (hard).
•    Wuhan Open – Premier 5 (hard).
•    Tashkent Open – International (hard).
•    China Open – Premier 5 (hard).

The WTA Ranking of the players, which has been considered for this report, is on October 7th, 2019.

Regard the 187 players, whom participated in these ten tournaments and who compound the statistic sample that has been considered for the statistical calculations, only the 30 that have achieved the best performance in the mentioned tournaments are exposed (table 1).

We highlight, the podium conformed by Sofia Kenin (USA), Naomi Osaka (JPN) and Alison Riske (USA) in positions 1, 2 and 3 of the GPI Ranking©, respectively.

Other players highlighted in the TOP 10 of the GPI Ranking© are: Elina Svitolina (UKR), Anna Blinkova (RUS), Elena Rybakina (KAZ), Alison Van Uytvanck (BEL), Aryna Sabalenka (BLR), Magda Linette (POL) and Petra Martic (CRO). See table 1.

The only two players in the Top 10 of the WTA Ranking in the Top 10 of the GPI Ranking© are Naomi Osaka and Elina Svitolina. Ashleigh Barty has a GPI Ranking© of 11, she was close (tables 1 and 2).
Players like Bianca Andreescu, Karolina Pliskova and Simona Halep, among other top players, seem to have taken a break this September. Surely, to recover and face the last stage of the season.
Naomi Osaka has had an impeccable performance, won 10/10 played matches and she is not No. 1 in the GPI Ranking© because Sofia Kenin played four (4) matches more than Osaka and won 11/14. For that reason, Sofia Kenin occupies the GPI Ranking© No. 1, and well deserved for her performance.

Full statistical report in pdf click here

[1] Report elaboration based on data from official Websites:

[2] National Tennis Coach (Argentine Tennis Association), Bachelor of Business Administration, Certified Public Accountant, Post grades of Finance Management and Capital Markets, Master of Business Administration (IAE Business School, Austral University, Buenos Aires, Argentina).

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